Base | Representation |
---|---|
bin | 10001101111100001000100… |
… | …001001110010111000100100 |
3 | 101020021210111212020012000100 |
4 | 101233201010021302320210 |
5 | 40211434224432032012 |
6 | 433543242304144100 |
7 | 22302430260551250 |
oct | 2157410411627044 |
9 | 336253455205010 |
10 | 78032109252132 |
11 | 2295526041a772 |
12 | 890318b608030 |
13 | 347051c970129 |
14 | 153aaba727260 |
15 | 904bda8288dc |
hex | 46f844272e24 |
78032109252132 has 144 divisors (see below), whose sum is σ = 228238437353472. Its totient is φ = 22016971385280.
The previous prime is 78032109252107. The next prime is 78032109252143. The reversal of 78032109252132 is 23125290123087.
78032109252132 is a `hidden beast` number, since 7 + 8 + 0 + 3 + 2 + 1 + 0 + 92 + 521 + 32 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48805093 + ... + 50378579.
It is an arithmetic number, because the mean of its divisors is an integer number (1584989148288).
Almost surely, 278032109252132 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78032109252132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114119218676736).
78032109252132 is an abundant number, since it is smaller than the sum of its proper divisors (150206328101340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78032109252132 is a wasteful number, since it uses less digits than its factorization.
78032109252132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1575958 (or 1575953 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 78032109252132 in words is "seventy-eight trillion, thirty-two billion, one hundred nine million, two hundred fifty-two thousand, one hundred thirty-two".
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